以AM/PM的12小时格式显示当前时间

目前显示的时间为13:35 PM 但是，我想显示为AM/PM的12小时格式，即下午1:35而不是下午13:35

当前代码如下所示

private static final int FOR_HOURS = 3600000;
private static final int FOR_MIN = 60000;
public String getTime(final Model model) {
    SimpleDateFormat formatDate = new SimpleDateFormat("HH:mm a");
    formatDate.setTimeZone(userContext.getUser().getTimeZone());
    model.addAttribute("userCurrentTime", formatDate.format(new Date()));
    final String offsetHours = String.format("%+03d:%02d", userContext.getUser().getTimeZone().getRawOffset()
    / FOR_HOURS, Math.abs(userContext.getUser().getTimeZone().getRawOffset() % FOR_HOURS / FOR_MIN));
    model.addAttribute("offsetHours",
                offsetHours + " " + userContext.getUser().getTimeZone().getDisplayName(Locale.ROOT));
    return "systemclock";
}

当前回答

SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd hh:mm a");

这将显示日期和时间

2015-04-23 14:34:32

其他回答

import java.text.SimpleDateFormat;
import java.text.DateFormat;
import java.util.Date;

public class Main {
   public static void main(String [] args){
       try {
            DateFormat parseFormat = new SimpleDateFormat("dd-MM-yyyy HH:mm a");
            String sDate = "22-01-2019 13:35 PM";
            Date date = parseFormat.parse(sDate);
            SimpleDateFormat displayFormat = new SimpleDateFormat("dd-MM-yyyy hh:mm a");
            sDate = displayFormat.format(date);
            System.out.println("The required format : " + sDate);
        } catch (Exception e) {}
   }
}

-使用java 8

import java.time.LocalDateTime;
import java.time.LocalTime;
import java.time.format.DateTimeFormatter;

public class Main
{
    public static void main(String[] args)
    {
        String pattern = "hh:mm:ss a";
        
        //1. LocalTime
        LocalTime now = LocalTime.now();
        System.out.println(now.format(DateTimeFormatter.ofPattern(pattern)));

        //2. LocalDateTime
        LocalDateTime nowTime = LocalDateTime.now();
        System.out.println(nowTime.format(DateTimeFormatter.ofPattern(pattern)));
    }
}

2019-01-22 11:09:49

只需替换下面的语句，它将工作。

SimpleDateFormat formatDate = new SimpleDateFormat("hh:mm a");

2013-09-11 08:56:54

SimpleDateFormat dateFormat = new SimpleDateFormat("dd-MMM-yy hh.mm.ss.S aa");
String formattedDate = dateFormat.format(new Date()).toString();
System.out.println(formattedDate);

输出: 9月11日-13日下午12.25.15.375

2013-09-11 06:55:59

如果你想要当前时间与AM, PM在Android使用

String time = new SimpleDateFormat("hh : mm a", Locale.getDefault()).format(Calendar.getInstance().getTime());

如果你想要当前时间的上午，下午

String time = new SimpleDateFormat("hh : mm a", Locale.getDefault()).format(Calendar.getInstance().getTime()).toLowerCase();

API级别26

LocalTime localTime = LocalTime.now();
DateTimeFormatter dateTimeFormatter = DateTimeFormatter.ofPattern("hh:mm a");
String time = localTime.format(dateTimeFormatter);

2019-01-30 05:32:09

// hh:mm will print hours in 12hrs clock and mins (e.g. 02:30)
System.out.println(DateTimeFormatter.ofPattern("hh:mm").format(LocalTime.now()));

// HH:mm will print hours in 24hrs clock and mins (e.g. 14:30)
System.out.println(DateTimeFormatter.ofPattern("HH:mm").format(LocalTime.now())); 

// hh:mm a will print hours in 12hrs clock, mins and AM/PM (e.g. 02:30 PM)
System.out.println(DateTimeFormatter.ofPattern("hh:mm a").format(LocalTime.now()));

2017-09-18 21:20:54

以AM/PM的12小时格式显示当前时间

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